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Water filtration has become a more and more general concept for industrial and residential use. People nowadays have strict requirements for their home-used water and drinking water, with bad odor or poor taste is not acceptable. For industrial manufacturers, multiplex water management is necessary and stable quality of the water is also important.

water filtration

That is why the water filtration system is so popular. But, how does it work? Is it safe and efficient enough for us to utilize? In this blog, we will explain the working principle of the common water filtration system. We believe it will help you a lot.

Why do we need a water filtration system?

Many substances can be soluble in water, which you can not see with your eyes and smell from your nose. However, it reflects on the glasses you washed and the shower nozzles you use every day. The water limescale showcases the quality of the water and indicates the large amounts of impurities in your water.

water limescale

For residential use, drinking and using hard water will lead to hair loss and other healthy problems. Also, people who have a high demand for drinking water, would not like the taste of hard water.

However, the loss in industrial manufacturing would be severer. Due to the demand for the production of water, manufacturers often use multiple water resources, such as lakes and rivers, which contain many impurities.

From the beginning to the end of the production line, unqualified water can lead to various problems. The manufacturing machines may clog due to the contaminants. The shutdown time and high maintenance costs are definitely something that manufacturers wouldn’t like to see.

Additionally, strict laws and regulations require manufacturers to filter wastewater before discharge. It is crucial to have a water filtration system, which can not only filter the wastewater but can also transform the wastewater into reusable water, helping to reducing the total cost.

What is the working principle of a water filtration system?

There are plenty of water treatment methods and water filtration systems. A proper water filtration system is selected according to the actual needs. It is obvious that different water filtration system has respective working principle. The followings are working principles of commonly used water filtration systems in different aspects.

RO system

Reverse osmosis is typically used in seawater desalination and purification for home use. RO adopts advanced filtration technology, with the help of a semi-permeable membrane and pressure to filter out most of the contaminants.

Water is driven by external pressure, passing through a semi-permeable membrane. The microorganisms, bacteria, and other contaminants can be removed through this process.

reverse-osmosis

It is originally developed for transforming seawater into drinkable water and usable water. Now, it is widely used in whole-house purification and is preferred by many people. A RO water filtering system removes hazardous organic compounds, chlorine, bacteria, chemicals, and pollutants from the water that is delivered.

Activated carbon

Adsorption, a chemical process that traps contaminants in a carbon substrate’s pore structure, is how activated carbon filters function. Activated carbon is often used to remove the odor and bad taste of water.

There are mainly two types of activated carbon filter cartridges, which are the CTO filter cartridges and the granule carbon filter cartridges.

activated carbon

Activated carbon filter cartridge is also used for prefiltration for RO system, to remove the relatively large particles for the downstream RO system.

Depth filtration

Depth filtration contains a wide range of filter cartridges, such as depth filter, depth pleated filter, filter bag, and high flow filter cartridge. They mainly used a multi-layer design with a porous structure.

Below are the main series we have to replace the top brands

Depth filters are designed to produce a porous medium that captures undesirable particles both inside and outside of the medium itself.

They are often utilized when the water contains a high concentration of particulates. Depth filters, in contrast to certain other filtration methods, have a greater capacity to capture and hold particles before they clog.

As the water moves through the cartridge medium in the first step of the process, looking for the route of least resistance, big particulate debris is caught. In order to ensure that the packed fibers are able to capture the most particles, they must also go in a twisted and rotating motion.

Mechanical retention is the name of the sieving mechanism, and as a result, the fibers become more tightly packed and can pick up tiny particles.

Why your filter cartridge has a short service time

The outer media on the cartridge’s exterior is positioned to capture larger particles, while the inner, more densely packed media is placed to capture progressively smaller ones.

This method makes sure that the particle is recorded across all depth media elements. Additionally, the filtration media will undergo a process known as particle bridging at numerous locations, which boosts build-up and maximizes the cartridge’s effectiveness.

Adsorptive retention is a technique used by cartridge fibers to attract particles in addition to physically capturing them. These processes come together to create a highly effective filtration mechanism that may be used in a variety of applications.

Conclusion

Despite we have diverse and different water filtration systems, the goal of that filtration system is the same, to remove the impurities and undesired contaminants from the water. Filter elements may trap or absorb the contaminants in water to make it pure. It is also essential to choose the water filtration system based on its use.

Brother Filtration designs and manufactures all kinds of filter products and offers better filtration solutions for our clients. You can find all the filter products you want at Brother Filtration. If you want to know more about water filtration, please feel free to contact us.

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